Crab and Basil Risotto with Goat Cheese

Ingredients:
3 tablespoons butter
1 small onion, minced
1 1/2 cup Arborio rice (Italian short-grain rice) or medium-grain rice
5 cups chicken stock or canned broth
1/2 cup whipping cream
3 1/2 ounces fresh mild goat cheese (such as Montrachet)
8 ounces crabmeat
1/3 cup chopped fresh basil or 1 teaspoon dried, crumbled